数字化装配工装工作状态监测评估及适应性控制技术

doi:10.7527/S1000-6893.2022.27914

Abstract

Abstract:

The difficulty of determining regular inspection cycle of digital assembly tooling， dynamic change of assembly condition， and workers’ misoperation， would lead to the out of tolerance for assembly， and cause the difficulty to guarantee assembly cycle. To improve the ability to perceive and predict the geometric and physical quantities of assembly tooling， and enhance the ability to guarantee assembly quality， the research on assembly tooling working condition perception/monitoring/evaluation and adaptive control technologies of assembly positioning are carried out in this paper. As for regular inspection and targeted maintenance before tooling operations， real time monitoring analysis and stability assessment of tooling operation， coordinated control of force position and multi axis in the process of tooling operation， and reduction on out of assembly tolerance， etc， key research on sensing planning for digital assembly tooling measurement， tooling strain and accuracy prediction， tooling service condition description and stability assessment， and site positioning adaptive control were carried out. Then the key technologies of macro and micro locating job condition assessment on assembly tooling， and multi-effectors’ deviation coordination for the assembly accuracy guarantee is proposed. Finally， the multi-point flexible assembly of aviation weak rigid panel test component is taken as example to present the tooling’s positioning precision guarantee for product assembly， the tooling’s adaptive adjustment based on the practical working condition， and the panel’s assembly shape， which laid the tooling foundation for the precision and active control in assembly quality.

Key words: digital assembly tooling, positioning accuracy, status stability, adaptive control, assembly quality

CLC Number:

V262.4⁺1

Feiyan GUO, Jianhua LIU, Qingdong XIAO, Shihong XIAO, Zhongqi WANG. Monitoring and evaluation of working condition and adaptive control technology for digital assembly tooling[J]. Acta Aeronautica et Astronautica Sinica, 2023, 44(16): 427914-427914.

Figures/Tables 16

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Table 1

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序号	属性	含义	类型	单位	备注
1	DEVICE_NET_ID	工控网等网络ID	STRING
2	DEVICE_ ID	设备ID	STRING
3	DEVICE_CODE	设备编码	STRING
4	DEVICE_NAME	设备名称	STRING
5	DEVICE_TIME	更新时间	STRUCT
6	ITEM01-01	运行状态	INT		0：未知状态；1：待运行；2：运行；3：故障；4：急停；
7	ITEM01-01	运行状态描述	STRING		如果故障状态，必须在ITEM2中给出故障描述。
8	ITEM01-02	控制柜上电反馈信号	BOOL
9	ITEM102-01	X轴位置	REAL	mm
10	ITEM103-01	Y轴位置	REAL	mm
11	ITEM104-01	Z轴位置	REAL	mm
12	ITEM102-02	X向承载力	REAL	kg
13	ITEM103-02	Y向承载力	REAL	kg
14	ITEM104-02	Z向承载力	REAL	kg
15	ITEM105-01	定位执行末端是否锁紧	INT		0：表示解锁；1：表示锁紧；2：表示不防逃逸。
16	ITEM102-03	X轴抱闸反馈信号	BOOL
17	ITEM103-03	Y轴抱闸反馈信号	BOOL
18	ITEM104-03	Z轴抱闸反馈信号	BOOL
19	ITEM102-04	X轴电机状态反馈信号	BOOL
20	ITEM103-04	Y轴电机状态反馈信号	BOOL
21	ITEM104-04	Z轴电机状态反馈信号	BOOL
22	ITEM102-05	X轴节点状态反馈信号	BOOL
23	ITEM103-05	Y轴节点状态反馈信号	BOOL
24	ITEM104-05	Z轴节点状态反馈信号	BOOL

POGO柱	X坐标/mm	Y坐标/mm	Z坐标/mm
箱体1POGO1	104.327	150	-52.143 5
箱体1POGO2	104.327	1 250	-52.143 5
箱体1POGO3	104.327	2 350	-52.143 5
箱体1POGO4	104.327	3 450	-52.143 5
箱体2POGO1	504.327	150	-134.457
箱体2POGO2	504.327	1 250	-134.457
箱体2POGO3	504.327	2 350	-134.457
箱体2POGO4	504.327	3 450	-134.457
箱体3POGO1	904.327	150	-134.457
箱体3POGO2	904.327	1 250	-134.457
箱体3POGO3	904.327	2 350	-134.457
箱体3POGO4	904.327	3 450	-134.457
箱体4POGO1	1 304.33	150	-52.143 5
箱体4POGO2	1 304.33	1 250	-52.143 5
箱体4POGO3	1 304.33	2 350	-52.143 5
箱体4POGO4	1 304.33	3 450	-52.143 5

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Monitoring and evaluation of working condition and adaptive control technology for digital assembly tooling

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